Answer:
1)
$ 345
2)
$ 97.125
Step-by-step explanation:
1)
 5 days at $69.00 a day.
It is given that the earning of one day is: $ 69
Hence, the earning of 5 days will be:

Hence, the value of  is 345.
 is 345.
2)
3.5 days at $27.75 a day .
It is given that the earning of one day is: $ 27.75
Hence, the earning of 3.5 days will be:

Hence, the value of  is 97.125.
 is 97.125.